func()

in openapi/invoker.go [122:196]

• 65 lines of code
• 18 McCabe index (conditional complexity)

func (a *BasicInvoker) Init(ctx *cli.Context, product *meta.Product) error {
	var err error
	a.product = product
	a.request = requests.NewCommonRequest()
	a.request.Product = product.Code

	a.request.RegionId = a.profile.RegionId
	if v, ok := config.RegionFlag(ctx.Flags()).GetValue(); ok {
		a.request.RegionId = v
	} else if v, ok := config.RegionIdFlag(ctx.Flags()).GetValue(); ok {
		a.request.RegionId = v
	}

	a.request.Version = product.Version
	if v, ok := VersionFlag(ctx.Flags()).GetValue(); ok {
		a.request.Version = v
	}

	if v, ok := EndpointFlag(ctx.Flags()).GetValue(); ok {
		a.request.Domain = v
	}

	for _, s := range HeaderFlag(ctx.Flags()).GetValues() {
		if k, v, ok := cli.SplitStringWithPrefix(s, "="); ok {
			a.request.Headers[k] = v
			if k == "Accept" {
				if strings.Contains(v, "xml") {
					a.request.AcceptFormat = "XML"
				} else if strings.Contains(v, "json") {
					a.request.AcceptFormat = "JSON"
				}
			}
			if k == "Content-Type" {
				a.request.SetContentType(v)
			}
		} else {
			return fmt.Errorf("invaild flag --header `%s` use `--header HeaderName=Value`", s)
		}
	}

	hint := "you can find it on https://help.aliyun.com"
	if product.Version != "" {
		hint = fmt.Sprintf("please use `aliyun help %s` get more information.", product.GetLowerCode())
	}

	if a.request.Version == "" {
		return cli.NewErrorWithTip(fmt.Errorf("missing version for product %s", product.Code),
			"Use flag `--version <YYYY-MM-DD>` to assign version, "+hint)
	}

	if a.request.RegionId == "" {
		return cli.NewErrorWithTip(fmt.Errorf("missing region for product %s", product.Code),
			"Use flag --region <regionId> to assign region, "+hint)
	}

	a.client, err = GetClient(a.profile, ctx)
	if err != nil {
		return fmt.Errorf("init client failed %s", err)
	}
	if vendorEnv, ok := os.LookupEnv("ALIBABA_CLOUD_VENDOR"); ok {
		a.client.AppendUserAgent("vendor", vendorEnv)
	}
	a.client.AppendUserAgent("Aliyun-CLI", cli.GetVersion())

	if a.request.Domain == "" {
		a.request.Domain, err = product.GetEndpoint(a.request.RegionId, a.client)
		if err != nil {
			return cli.NewErrorWithTip(
				fmt.Errorf("unknown endpoint for %s/%s! failed %s", product.GetLowerCode(), a.request.RegionId, err),
				"Use flag --endpoint xxx.aliyuncs.com to assign endpoint, "+hint)
		}
	}

	return nil
}